extensive highlighting and minor water warpage of pages especially at the beginning. some pages are folded as well The product is "Sams Teach Yourself Hadoop in 24 Hours" by Jeffrey Aven, published by Pearson Education in 2017. It is a trade paperback textbook in English language, with a total of 496 pages. The book covers subjects such as Web / General, Programming / Open Source, and Databases / Data Mining, providing a comprehensive guide to learning Hadoop in a short period of time. With its detailed content and informative author, this book is a valuable resource for those looking to enhance their knowledge and skills in the field of computing and data processing.